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TheRock/compiler/amd-llvm/polly/test/DeLICM/confused_order.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

40 lines
1.4 KiB
LLVM

; RUN: opt %loadNPMPolly '-passes=polly-custom<delicm>' -polly-print-delicm -polly-import-jscop-postfix=transformed -disable-output < %s | FileCheck %s
; RUN: opt %loadNPMPolly '-passes=polly-custom<import-jscop>' -polly-import-jscop-postfix=transformed -disable-output -pass-remarks-missed=polly-delicm < %s 2>&1 | FileCheck %s -check-prefix=REMARKS
;
; ForwardOptree changes the SCoP and may already map some accesses.
; DeLICM must be prepared to encounter implicit reads
; (isOriginalScalarKind()) that occur at the beginning of the SCoP
; to an array (isLatestArrayKind()). Otherwise it may confuse the
; MemoryAccess execution order.
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @confused_order(ptr nocapture %C, i32 %rows, i32 %cols) {
entry:
%0 = sext i32 %cols to i64
%1 = sext i32 %rows to i64
%cmp108 = icmp slt i64 0, %0
br i1 undef, label %for.body7.lr.ph, label %for.end103
for.body7.lr.ph:
br label %for.end103
for.end103:
%a_dot_b_domain.0.lcssa = phi double [ 0.000000e+00, %entry ], [ undef, %for.body7.lr.ph ]
store double %a_dot_b_domain.0.lcssa, ptr %C
%cmp109 = icmp slt i64 0, %1
%or.cond = and i1 %cmp108, %cmp109
br i1 %or.cond, label %if.then110, label %for.inc116
if.then110:
store double %a_dot_b_domain.0.lcssa, ptr %C
br label %for.inc116
for.inc116:
ret void
}
; REMARKS-NOT: load after store of same element in same statement
; CHECK: No modification has been made